101211000101011 has 4 divisors (see below), whose sum is σ = 102213089211024. Its totient is φ = 100208910991000.

The previous prime is 101211000101009. The next prime is 101211000101023. The reversal of 101211000101011 is 110101000112101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101211000101011 - 2¹ = 101211000101009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101211000101041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501044554855 + ... + 501044555056.

It is an arithmetic number, because the mean of its divisors is an integer number (25553272302756).

Almost surely, 2^{101211000101011} is an apocalyptic number.

101211000101011 is a deficient number, since it is larger than the sum of its proper divisors (1002089110013).

101211000101011 is a wasteful number, since it uses less digits than its factorization.

101211000101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002089110012.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 101211000101011 its reverse (110101000112101), we get a palindrome (211312000213112).

The spelling of 101211000101011 in words is "one hundred one trillion, two hundred eleven billion, one hundred one thousand, eleven".